Third- hand smoke af­fects kids more

The Asian Age - - World -

Washington, Feb. 10: Ex­po­sure to resid­ual to­bacco and nico­tine lin­ger­ing in car­pets and up­hol­stery in rooms, as well as a smoker’s fin­gers, can cause res­pi­ra­tory prob­lem in chil­dren, a study has found.

The harm­ful ef­fects of ex­po­sure to to­bacco smoke have been known for many years. Cig­a­rette and ci­gar smok­ers are at sig­nif­i­cantly higher risk of con­tract­ing all sorts of res­pi­ra­tory mal­adies, and re­search link­ing sec­ond­hand smoke to cancer goes back nearly three decades.

Re­searchers at Cincin­nati Chil­dren’s Hospi­tal Med­i­cal Cen­tre and the Uni­ver­sity of Cincin­nati in the US have found more ev­i­dence of the po­ten­tially harm­ful ef­fects of ex­po­sure to the residue and par­ti­cles left be­hind by to­bacco smoke.

Ac­cord­ing to a study pub­lished in the jour­nal To­bacco Use In­sights, not smok­ing around chil­dren does not pre­vent ex­po­sure to nico­tine.

They also found that that higher lev­els of ex­po­sure to to­bacco smoke residue — which likely in­cludes car­cino­genic to­bacco- spe­cific ni­trosamines — may be linked to res­pi­ra­tory prob­lems.

“It just goes to show that in­door smok­ing bans don’t nec­es­sar­ily pro­tect chil­dren from to­bacco smoke ex­po­sure and re­lated pol­lu­tants, such as third­hand smoke,” said Ash­ley Me­ri­anos, from Uni­ver­sity of Cincin­nati in the US.

“It also shows that ex­po­sure to to­bacco smoke tox­i­cants is more wide­spread than pre­vi­ously thought be­cause ex­po­sure in chil­dren is not lim­ited to in­hal­ing sec­ond­hand smoke,” said Melinda Ma­habee- Git­tens, an at­tend­ing physi­cian at Cincin­nati Chil­dren’s.

Re­search staff col­lected wipes of the dom­i­nant hands of 104 chil­dren be­tween April 2016 and Au­gust 2017 with com­plaints po­ten­tially linked to to­bacco smoke ex­po­sure and who had at least one care­giver who smoked.

The hand­wipes were then an­a­lysed for nico­tine.

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